Slot
Cross recess
6-Lobe
Hex chamfered single face
Hex with hole
Hex with shoulder
Hex chamfered double faces
Nylon Insert
Hole on shank
Straight-knurl
Reduced shank
Normal shank
Increased shank
Shoulder
Waisted shank
Full thread
Flat point
Cone point
Dog point
Semitubular end
NF E27-711-1982
High-strength structural bolting assemblies for preloading-system HR-Hex bolt
NF E25-801-4-2015
High-strength structural bolting assemblies for preloading-system HV
NF E25-114-2011
Hexagon head screws
NF E25-114-2014